Pailin climate — normals and trends

Q: What is the climate of Pailin?

Pailin has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 2,371 mm of precipitation per year.

Q: What is the hottest day ever recorded in Pailin?

The hottest day measured in Pailin between 1940 and 2025 was 25 March 2010, reaching 36.6 °C.

Q: What is the coldest day in Pailin?

The coldest day measured in Pailin between 1940 and 2025 was 12 January 1955, at 10.3 °C.

Q: Does it snow in Pailin?

Almost never: Pailin sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Pailin warmed?

Yes: Pailin warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pailin?

The wettest day measured in Pailin between 1940 and 2025 was 4 October 1959, with 133 mm of rain in 24 hours.

Q: What was the windiest day in Pailin?

The windiest day measured in Pailin between 1940 and 2025 was 29 October 1970, with winds reaching 29.5 km/h.

Q: What is the warmest month in Pailin?

The warmest month in Pailin is April (26.3 °C on average); the coldest is December (23.5 °C).

Q: How much does it rain in Pailin?

Pailin receives on average 2,371 mm of precipitation per year, spread over about 246 rainy days.

Q: Is it sunny in Pailin?

Pailin gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Pailin (Cambodia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 2,371 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is April (26.3 °C on average) and the coldest is December (23.5 °C). Rainfall peaks in September.

Pailin averages 0 frost days, 156 hot days (≥ 30 °C) and 246 rainy days per year.

Pailin has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.6 °C (on 25 March 2010) and the coldest 10.3 °C (on 12 January 1955).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

PailinPailin

coords: 12.85°, 102.61°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

25.1°C

Average daily high

29.5°C

Average daily low

22.1°C

Annual rainfall

2,371mm

Sunshine / day

9.8h

Mean relative humidity

85%

Average peak wind

11.9km/h

Seasonal range

2.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

156 d/yr

Rainy days (≥ 1 mm)

246 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.6 °C

Average feels-like low

25.8 °C

Average peak gust

32.8 km/h

Tropical nights (≥ 20 °C)

316 d/yr

Solar radiation

17.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.83 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

36.6 °C

25 March 2010

Coldest day

10.3 °C

12 January 1955

Wettest day

133 mm

4 October 1959

Windiest day

29.5 km/h

29 October 1970

Strongest gust

70.9 km/h

18 December 2022

Hottest feels-like

44.2 °C

25 April 2024

Coldest feels-like

6.3 °C

12 January 1955

Sunniest day

12.6 h

10 July 1976

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.0 °C13 February 2025	15.1 °C13 January 2025	25.8 °C	2,669 mm	203
2024	36.2 °C29 April 2024	17.1 °C23 December 2024	26.9 °C	2,294 mm	273
2023	35.7 °C25 April 2023	16.2 °C23 December 2023	26.5 °C	2,428 mm	261
2022	33.8 °C28 April 2022	15.6 °C19 December 2022	25.7 °C	2,805 mm	199
2021	34.1 °C6 March 2021	14.0 °C12 January 2021	25.8 °C	2,530 mm	203
2020	35.1 °C13 March 2020	16.1 °C21 December 2020	26.2 °C	2,228 mm	247
2019	35.3 °C11 February 2019	16.0 °C7 December 2019	26.4 °C	2,137 mm	257
2018	34.3 °C5 December 2018	15.4 °C7 February 2018	26.0 °C	2,568 mm	233
2017	33.9 °C15 March 2017	14.5 °C19 December 2017	25.9 °C	2,563 mm	224
2016	36.0 °C29 April 2016	13.9 °C26 January 2016	26.3 °C	2,585 mm	227
2015	34.0 °C1 December 2015	15.9 °C22 January 2015	26.1 °C	2,427 mm	248
2014	35.8 °C16 March 2014	14.2 °C24 January 2014	25.8 °C	2,306 mm	224
2013	35.6 °C25 February 2013	14.6 °C28 December 2013	25.8 °C	2,670 mm	221
2012	34.0 °C13 March 2012	18.7 °C21 February 2012	25.9 °C	2,700 mm	221
2011	32.8 °C27 April 2011	16.0 °C12 December 2011	25.4 °C	2,734 mm	171
2010	36.6 °C25 March 2010	17.1 °C18 December 2010	26.2 °C	2,343 mm	252
2009	34.5 °C19 February 2009	14.0 °C11 January 2009	25.6 °C	2,752 mm	222
2008	33.5 °C17 April 2008	16.5 °C2 January 2008	25.4 °C	2,448 mm	195
2007	33.4 °C18 April 2007	16.0 °C4 February 2007	25.6 °C	2,420 mm	186
2006	33.2 °C8 December 2006	16.3 °C23 December 2006	25.8 °C	2,571 mm	207
2005	34.6 °C19 February 2005	14.9 °C22 December 2005	25.7 °C	2,492 mm	186
2004	33.5 °C14 March 2004	16.7 °C25 January 2004	25.6 °C	2,192 mm	213
2003	33.5 °C11 February 2003	15.9 °C21 December 2003	25.6 °C	2,476 mm	201
2002	33.1 °C20 March 2002	17.1 °C2 January 2002	25.9 °C	2,506 mm	215
2001	34.4 °C13 February 2001	15.4 °C23 December 2001	25.6 °C	2,583 mm	177
2000	33.7 °C28 March 2000	15.6 °C2 February 2000	25.4 °C	2,694 mm	166
1999	33.7 °C2 February 1999	11.3 °C24 December 1999	25.1 °C	2,918 mm	128
1998	35.6 °C23 March 1998	15.9 °C16 December 1998	26.1 °C	2,117 mm	235
1997	34.4 °C24 March 1997	14.9 °C13 January 1997	25.5 °C	2,382 mm	203
1996	34.4 °C22 March 1996	14.5 °C28 December 1996	25.3 °C	2,363 mm	166
1995	33.5 °C21 March 1995	14.0 °C8 January 1995	25.3 °C	2,383 mm	181
1994	33.3 °C9 March 1994	15.3 °C25 January 1994	25.2 °C	2,425 mm	177
1993	33.6 °C7 March 1993	14.2 °C31 January 1993	24.9 °C	2,343 mm	154
1992	33.3 °C22 March 1992	14.5 °C19 January 1992	25.2 °C	2,015 mm	136
1991	34.5 °C27 February 1991	17.0 °C22 December 1991	25.5 °C	2,444 mm	152
1990	33.3 °C23 April 1990	15.4 °C6 December 1990	25.4 °C	2,252 mm	147
1989	33.5 °C18 February 1989	16.6 °C3 December 1989	25.2 °C	2,334 mm	141
1988	33.8 °C11 March 1988	16.0 °C14 December 1988	25.3 °C	2,433 mm	138
1987	34.2 °C26 March 1987	14.3 °C8 December 1987	25.4 °C	2,400 mm	177
1986	33.5 °C8 March 1986	12.9 °C3 March 1986	24.9 °C	2,584 mm	136
1985	33.0 °C18 March 1985	14.7 °C17 December 1985	25.1 °C	2,362 mm	136
1984	33.2 °C20 March 1984	14.7 °C10 January 1984	25.0 °C	2,289 mm	128
1983	34.8 °C17 April 1983	13.9 °C25 January 1983	25.2 °C	2,265 mm	159
1982	32.9 °C24 March 1982	12.5 °C29 December 1982	24.9 °C	2,316 mm	134
1981	33.6 °C30 March 1981	14.1 °C14 January 1981	24.9 °C	2,344 mm	159
1980	33.6 °C19 February 1980	15.7 °C26 December 1980	25.4 °C	2,397 mm	180
1979	35.2 °C3 March 1979	15.7 °C27 December 1979	25.6 °C	2,010 mm	207
1978	33.7 °C23 March 1978	15.5 °C23 January 1978	25.2 °C	2,382 mm	144
1977	34.4 °C24 March 1977	15.6 °C16 January 1977	25.0 °C	2,214 mm	168
1976	32.5 °C7 March 1976	12.6 °C2 January 1976	24.5 °C	2,464 mm	113
1975	32.5 °C14 April 1975	11.8 °C30 December 1975	24.5 °C	2,709 mm	104
1974	32.5 °C25 February 1974	14.0 °C4 January 1974	24.5 °C	2,501 mm	92
1973	33.4 °C25 April 1973	13.1 °C27 December 1973	24.9 °C	2,197 mm	143
1972	32.7 °C21 March 1972	13.9 °C16 January 1972	24.8 °C	2,581 mm	134
1971	32.6 °C8 May 1971	13.1 °C5 January 1971	24.2 °C	2,230 mm	79
1970	32.9 °C12 March 1970	14.8 °C22 January 1970	24.9 °C	2,205 mm	128
1969	33.5 °C5 May 1969	15.3 °C11 December 1969	24.9 °C	2,236 mm	138
1968	33.0 °C11 March 1968	15.2 °C5 January 1968	24.7 °C	2,100 mm	112
1967	34.0 °C10 April 1967	11.1 °C17 January 1967	24.4 °C	2,193 mm	99
1966	33.4 °C24 January 1966	15.7 °C3 December 1966	24.7 °C	2,424 mm	81
1965	33.3 °C24 December 1965	13.2 °C22 January 1965	24.7 °C	2,425 mm	132
1964	34.5 °C17 February 1964	14.7 °C19 December 1964	24.8 °C	2,465 mm	154
1963	33.2 °C19 May 1963	11.7 °C16 January 1963	24.5 °C	2,423 mm	117
1962	33.4 °C28 March 1962	13.3 °C28 January 1962	24.6 °C	2,265 mm	125
1961	33.8 °C8 February 1961	13.3 °C17 January 1961	24.9 °C	2,179 mm	125
1960	33.2 °C8 May 1960	13.3 °C4 January 1960	25.0 °C	2,335 mm	144
1959	33.0 °C7 March 1959	15.9 °C18 January 1959	25.0 °C	2,241 mm	145
1958	35.6 °C31 March 1958	14.4 °C27 November 1958	25.0 °C	1,766 mm	145
1957	32.9 °C7 April 1957	13.9 °C23 January 1957	24.8 °C	2,403 mm	128
1956	33.1 °C1 April 1956	12.9 °C19 January 1956	24.3 °C	2,563 mm	104
1955	33.6 °C15 March 1955	10.3 °C12 January 1955	24.5 °C	2,295 mm	146
1954	33.8 °C9 May 1954	13.7 °C16 December 1954	24.6 °C	1,863 mm	120
1953	34.0 °C19 April 1953	14.3 °C12 December 1953	24.5 °C	2,514 mm	107
1952	33.0 °C7 February 1952	14.1 °C23 January 1952	24.6 °C	2,304 mm	112
1951	34.3 °C1 April 1951	15.0 °C17 January 1951	24.6 °C	1,814 mm	91
1950	34.3 °C4 March 1950	15.6 °C15 December 1950	24.5 °C	1,951 mm	104
1949	34.2 °C24 February 1949	12.8 °C16 January 1949	24.3 °C	2,268 mm	93
1948	33.2 °C16 February 1948	13.7 °C2 January 1948	24.4 °C	1,980 mm	130
1947	32.1 °C6 January 1947	14.8 °C21 December 1947	24.6 °C	2,084 mm	89
1946	33.8 °C10 March 1946	14.5 °C8 January 1946	24.3 °C	2,196 mm	85
1945	32.4 °C23 March 1945	14.4 °C18 January 1945	24.2 °C	2,481 mm	50
1944	32.5 °C20 February 1944	12.7 °C21 December 1944	24.3 °C	2,332 mm	93
1943	33.1 °C7 February 1943	13.8 °C13 January 1943	23.8 °C	2,777 mm	62
1942	32.8 °C25 February 1942	14.9 °C23 November 1942	24.0 °C	1,926 mm	72
1941	32.7 °C14 March 1941	16.3 °C24 December 1941	24.3 °C	2,670 mm	78
1940	34.1 °C11 March 1940	12.6 °C4 January 1940	24.0 °C	2,490 mm	82

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

30.2 °C

+0.7 °C

Hot days (≥ 30 °C)

203 d/yr

+47

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2669 mm

+298 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+0.4 °C	0 mm	-24 mm
Feb	32.4 °C	+1.8 °C	40 mm	-12 mm
Mar	31.6 °C	+0.5 °C	97 mm	-14 mm
Apr	31.9 °C	+0.8 °C	205 mm	+44 mm
May	30.5 °C	+0.3 °C	415 mm	+149 mm
Jun	30.0 °C	+0.9 °C	379 mm	+63 mm
Jul	29.5 °C	+0.8 °C	398 mm	+50 mm
Aug	29.6 °C	+0.9 °C	367 mm	+0 mm
Sep	29.4 °C	+0.7 °C	407 mm	+9 mm
Oct	29.7 °C	+0.7 °C	205 mm	-41 mm
Nov	28.2 °C	-0.5 °C	146 mm	+76 mm
Dec	29.6 °C	+1.2 °C	9 mm	-3 mm

The year's extremes

Hottest day

35.0 °C

13 Feb 2025

Coldest day

15.1 °C

13 Jan 2025

Wettest day

39.6 mm

2 Nov 2025

Windiest day

28.8 km/h

19 Nov 2025

Strongest gust

67.3 km/h

23 Jul 2025

Hottest feels-like

42.5 °C

21 Apr 2025

Coldest feels-like

13.0 °C

13 Jan 2025

Sunniest day

12.3 h

2 Aug 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Pailin?

Pailin has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 2,371 mm of precipitation per year.

What is the hottest day ever recorded in Pailin?

The hottest day measured in Pailin between 1940 and 2025 was 25 March 2010, reaching 36.6 °C.

What is the coldest day in Pailin?

The coldest day measured in Pailin between 1940 and 2025 was 12 January 1955, at 10.3 °C.

Does it snow in Pailin?

Almost never: Pailin sees virtually no snow, with about 0 frost days per year.

Has the climate of Pailin warmed?

Yes: Pailin warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pailin?

The wettest day measured in Pailin between 1940 and 2025 was 4 October 1959, with 133 mm of rain in 24 hours.

What was the windiest day in Pailin?

The windiest day measured in Pailin between 1940 and 2025 was 29 October 1970, with winds reaching 29.5 km/h.

What is the warmest month in Pailin?

The warmest month in Pailin is April (26.3 °C on average); the coldest is December (23.5 °C).

How much does it rain in Pailin?

Pailin receives on average 2,371 mm of precipitation per year, spread over about 246 rainy days.

Is it sunny in Pailin?

Pailin gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Pailin?

Yes: Pailin has on average 316 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pailin?

In Pailin, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 25 April 2024, and the lowest was 6.3 °C on 12 January 1955.

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